Apparatus for storing and handling article at ceiling

1. An apparatus for storing and handling an article at a ceiling, comprising: an internal rail configured to hang on the ceiling; a storage system configured to hang on the ceiling and including a shelf of a first row and a shelf of a second row disposed on both sides of the internal rail to face each other and a transport in/out port connected to any one of the shelf of the first row and the shelf of the second row; and an internal transfer robot configured to be movably connected to the internal rail and convey the article between any one of the shelf of the first row and the shelf of the second row and the transport in/out port; and a purge unit configured to supply purge gas to the article seated on the shelf of the first row and the shelf of the second row, wherein the internal transfer robot includes: a two-way sliding unit configured to slide a holding unit holding the article toward any one of the shelf of the first row and the shelf of the second row; and an elevation-driving unit configured to elevate the two-way sliding unit along a height direction of the shelf of the first row and the shelf of the second row, wherein the purge unit includes: a gas tank configured to communicate with the article and providing the purge gas to the article; a recovering pump configured to communicate with the article to recover the purge gas supplied to the article; and a controller configured to operate the recovering pump when a predetermined time elapses after the purge gas is supplied to the article.

2. The apparatus of claim 1 , wherein the internal rail includes an exposed end portions which are not blocked by the shelf of the first row and the shelf of the second row along an extending direction of the internal rail.

3. The apparatus of claim 1 , wherein the storage system further includes: a lower frame; a first pillar frame configured to be erected on the lower frame and provided with the shelf of the first row; and a second pillar frame configured to be erected on the lower frame to be spaced apart from the first pillar frame and provided with the shelf of the second row.

4. The apparatus of claim 3 , wherein at least one of the first pillar frame and the second pillar frame includes: a floor member configured to support the shelf of the first row or the shelf of the second row; and a pair of wall members configured to be coupled with both end portions of the floor member, respectively and disposed along a direction intersecting with a plane on which the floor member is formed.

5. The apparatus of claim 4 , wherein the floor member includes a plurality of floors forming a plurality of layers, and the shelf of the first row or the shelf of the second row includes a plurality of shelves forming a plurality of layers corresponding to the plurality of floors.

6. The apparatus of claim 1 , further comprising: an external rail installed outside the storage system to pass upper portions of the transport in/out port to provide a transfer path for transferring the article to the transport in/out port to an external transfer robot.

7. The apparatus of claim 6 , wherein the external rail includes: an exposed end portion extended beyond end portions of the shelf of the first row and the shelf of the second row along an extending direction of the external rail.

8. The apparatus of claim 6 , further comprising: a cradle installed to hang on the ceiling, wherein the internal rail, the storage system, and the external rail are connected to the cradle to hang on the ceiling.

9. The apparatus of claim 8 , wherein the cradle includes a plurality of horizontal frames and vertical frames, and the plurality of horizontal frames and vertical frames form a lattice structure.

10. The apparatus of claim 1 , wherein the internal transfer robot further includes a body configured to include a drive portion movably hanging on the internal rail and a base driven by the drive portion, the elevation-driving unit includes an elevation rail installed at the base, and the two-way sliding unit is installed at the elevation-driving unit to be elevated in a height direction of the base along the elevation rail.

11. An apparatus for storing and handling an article at a ceiling, comprising: a first storage system configured to hang on the ceiling and including shelves of two rows and a first transport in/out port connected to the shelves of the two rows; a second storage system configured to hang on the ceiling and including the shelves of the two rows and disposed to continue to the first storage system; a first internal rail configured to hang on the ceiling and disposed between the shelves of the two rows of the first storage system; a second internal rail configured to hang on the ceiling, be disposed between the shelves of the two rows of the second storage system, and form a transfer path along with the first internal rail; and an internal transfer robot configured to move along the transfer path to convey the article between any one of the shelves of the two rows of the first storage system and the shelves of the two rows of the second storage system and the first transport in/out port; and a purge unit configured to supply purge gas to the article seated on the shelves, wherein the internal transfer robot includes: a two-way sliding unit configured to slide a holding unit holding the article in two ways; and an elevation-driving unit configured to elevate the two-way sliding unit, wherein the purge unit includes: a gas tank configured to communicate with the article and providing the purge gas to the article; a recovering pump configured to communicate with the article to recover the purge gas supplied the article; and a controller configured to operate the recovering pump when a predetermined time elapses after the purge gas is supplied to the article.

12. The apparatus of claim 11 , wherein the first internal rail has a length beyond a length of the first storage system, and the second internal rail has a length beyond a length of the second storage system.

13. The apparatus of claim 11 , wherein each of the shelves of the two rows of the first storage system and the shelves of the two rows of the second storage system includes shelves forming a plurality of layers.

14. The apparatus of claim 11 , wherein the second storage system further includes: a second transport in/out port configured to be connected to the shelves of the two rows of the second storage system.

15. An apparatus for storing and handling an article at a ceiling, comprising: an internal rail configured to hang on the ceiling; a storage system configured to hang on the ceiling and including a shelf and a transport in/out port connected to the shelf; an internal transfer robot configured to be movably connected to the internal rail and convey the article between the shelf and the transport in/out port; and a purge unit configured to supply purge gas to the article seated on the shelf, wherein the purge unit includes: a gas tank configured to communicate with the article and providing the purge gas to the article; a recovering pump configured to communicate with the article to recover the purge gas supplied to the article; and a controller configured to operate the recovering pump when a predetermined time elapses after the purge gas is supplied to the article.

16. The apparatus of claim 15 , wherein the shelf includes a shelf of a first row and a shelf of a second row disposed on both sides of the internal rail to face each other, and the transport in/out port connected to any one of the shelf of the first row and the shelf of the second row.

17. The apparatus of claim 15 , wherein the internal transfer robot includes: a two-way sliding unit configured to slide a holding unit holding the article along two different directions; and an elevation-driving unit configured to elevate the two-way sliding unit along a height direction of the shelf.

18. The apparatus of claim 17 , wherein the two different directions are opposite to each other.